package sunwin.yoms.service.security;

import jodd.datetime.JDateTime;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import sunwin.yoms.comm.YomsException;
import sunwin.yoms.domain.system.AdminLoginLogDomain;
import sunwin.yoms.service.system.AdminLoginLogService;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;

/**
 * Created by mt on 2015-10-30.
 */
public class YomsAuthenticationFailureHandler implements AuthenticationFailureHandler {
    @Autowired
    private AdminLoginLogService adminLoginLogService;

    //获取真实IP地址
    private String getIpAddr(HttpServletRequest request) {
        String ipAddress = null;
        //ipAddress = this.getRequest().getRemoteAddr();
        ipAddress = request.getHeader("x-forwarded-for");
        if(ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getHeader("Proxy-Client-IP");
        }
        if(ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getHeader("WL-Proxy-Client-IP");
        }
        if(ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
            ipAddress = request.getRemoteAddr();
            if(ipAddress.equals("127.0.0.1")){
                //根据网卡取本机配置的IP
                InetAddress inet=null;
                try {
                    inet = InetAddress.getLocalHost();
                } catch (UnknownHostException e) {
                    e.printStackTrace();
                }
                ipAddress= inet.getHostAddress();
            }
        }
        //对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割
        if(ipAddress!=null && ipAddress.length()>15){ //"***.***.***.***".length() = 15
            if(ipAddress.indexOf(",")>0){
                ipAddress = ipAddress.substring(0,ipAddress.indexOf(","));
            }
        }
        return ipAddress;
    }
    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
        //当前登陆名
        AdminLoginLogDomain domain=new AdminLoginLogDomain();
        String Name=request.getParameter("loginName");
        domain.setLoginPass(1);
        domain.setLoginName(Name);
        domain.setLoginIp(getIpAddr(request));
        domain.setLoginFailReason("unknow");
        domain.setLoginTime(new JDateTime(System.currentTimeMillis()).convertToDate());
        try {
            adminLoginLogService.addAdminLoginLog(domain);
        } catch (YomsException e) {
            e.printStackTrace();
        }
        response.sendRedirect("/error.login");
    }
}
